Question 1

What is WeberPremix SP-11 Ready Mix Plaster used for?

Accepted Answer

WeberPremix SP-11 is a cementitious fibre-reinforced plaster designed for external and internal plastering on block walls, ceilings, concrete surfaces, and bricks. It is ideal for traditional plastering works and general filling applications.

Question 2

What are the key technical characteristics of this product?

Accepted Answer

The plaster is composed of Portland cement, selected sand, and powder polymers. It has a grain size of 0–2.5 mm, a mixing ratio of 7–9 liters of water per 50 kg bag, and a wet mix life of less than 2 hours at 20°C. It contains no VOC or formaldehyde (<10µg/l).

Question 3

How should WeberPremix SP-11 be applied?

Accepted Answer

It can be applied manually with a trowel or using plaster-spraying machines. The recommended thickness is 10–20 mm in one layer. For thicker applications, use two layers with curing between them.

Question 4

Can WeberPremix SP-11 be used on all surfaces?

Accepted Answer

No, it should not be used on painted surfaces, floors, or fair-faced concrete without a rush coat. For lightweight concrete blocks, alternative products like WeberPremix SP-3 FL or SP-33 are recommended.

Question 5

What are its advantages?

Accepted Answer

The plaster offers benefits such as crack resistance, water resistance, high adhesion, improved shrinkage control, faster application, and cleaner site conditions.

Question 6

What precautions should be taken during application?

Accepted Answer

Ensure the substrate is clean and dampened before application. Protect the newly applied plaster from direct sunlight and wind. Wear protective gear to avoid skin irritation from cement powders.

Question 7

What is the consumption rate of WeberPremix SP-11?

Accepted Answer

Approximately 1.6 kg per m² per 1 mm thickness is required for application.

Question 8

How should the product be stored?

Accepted Answer

Store it in original unopened packaging under dry conditions away from humidity and extreme temperatures.

Brand	Weber Saint Gobain
Product	Weberpremix SP-11
Weight	50 kg
Packaging Type	Bag

الجبس الجاهز (SP-11) جص جاهز من الألياف الإسمنتية من (Weberpremix) - وزن (50KG)

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